From 1bcf48bd82559369e1eeac3578d0a073fec2e434 Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Thu, 30 Aug 2018 11:49:40 -0400
Subject: [PATCH] Quaternion from_dcm don't pass by value

---
 matrix/Quaternion.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/matrix/Quaternion.hpp b/matrix/Quaternion.hpp
index 87bea23d2c..a17205fc12 100644
--- a/matrix/Quaternion.hpp
+++ b/matrix/Quaternion.hpp
@@ -510,7 +510,7 @@ public:
     /**
      * XXX DEPRECATED, can use assignment or ctor
      */
-    Quaternion from_dcm(Matrix<Type, 3, 3> dcm) {
+    Quaternion from_dcm(const Matrix<Type, 3, 3>& dcm) {
         return Quaternion(Dcmf(dcm));
     }